From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B224A63E; Mon, 1 Apr 2024 16:54:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711990483; cv=none; b=WhPfBIsJih3ZJjY27mqvZd5UlR5LSMlN/mopdJD5eHeYStt4wC3d5Oj6SEr15c1FIDckxEvAmZdi+fnY89WNMIQlIlGLsw4TB84nUjTvndIh9l9C2rOwPLEx6iJ/OXiT/4Dyx+IQClore2dapq9vD6glGpaLJhSbIMZe6QQzv/4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711990483; c=relaxed/simple; bh=vROAM6oyavZZHvMepEA0WTWsI5TbcAh28SJ84lg3B8A=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kTAY3rbfCzna+2IloE1FY1TBJr/ghy01lDvPD9M36tf1wL12b7Lgb0MeyYjwhMtWcmBc0yTxzc7UCNTQRZxsLT4vM+exOcnSHvn7cSJcTMbmuz6yF4zvyOuQhrCV+pUzq4L9dVJGEb+b+sfNKiwoNb+2Od4Kdz7EoeIeYegV22E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=0uTv7kQT; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="0uTv7kQT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 39704C433C7; Mon, 1 Apr 2024 16:54:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1711990483; bh=vROAM6oyavZZHvMepEA0WTWsI5TbcAh28SJ84lg3B8A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0uTv7kQTd2cpcZcBA6nPnYIf9Om6cmaVatHdY7UhsRo/IOZx9Bqdo20Qia/8KBbkb FIYQLdHIKdQ+VJ/hTqwR1aVBycOPtLnuamtk6dZAHEDODciQ6WHbbDWLDSHAtIQv1O D8n7e6NN9lVOm9amZh+EoGP4b8zbfcJ09us+abVw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Claus Hansen Ries , Simon Horman , Jakub Kicinski Subject: [PATCH 6.6 338/396] net: ll_temac: platform_get_resource replaced by wrong function Date: Mon, 1 Apr 2024 17:46:27 +0200 Message-ID: <20240401152557.990819349@linuxfoundation.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240401152547.867452742@linuxfoundation.org> References: <20240401152547.867452742@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Claus Hansen Ries commit 3a38a829c8bc27d78552c28e582eb1d885d07d11 upstream. The function platform_get_resource was replaced with devm_platform_ioremap_resource_byname and is called using 0 as name. This eventually ends up in platform_get_resource_byname in the call stack, where it causes a null pointer in strcmp. if (type == resource_type(r) && !strcmp(r->name, name)) It should have been replaced with devm_platform_ioremap_resource. Fixes: bd69058f50d5 ("net: ll_temac: Use devm_platform_ioremap_resource_byname()") Signed-off-by: Claus Hansen Ries Cc: stable@vger.kernel.org Reviewed-by: Simon Horman Link: https://lore.kernel.org/r/cca18f9c630a41c18487729770b492bb@terma.com Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/xilinx/ll_temac_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/ethernet/xilinx/ll_temac_main.c +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c @@ -1443,7 +1443,7 @@ static int temac_probe(struct platform_d } /* map device registers */ - lp->regs = devm_platform_ioremap_resource_byname(pdev, 0); + lp->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(lp->regs)) { dev_err(&pdev->dev, "could not map TEMAC registers\n"); return -ENOMEM;